Cita APA (7a ed.)

BITTINGER, M. L., & BEECHER, J. A. (1990). College algebra. Addison-Wesley.

Cita Chicago Style (17a ed.)

BITTINGER, Marvin L., y Judith A. BEECHER. College Algebra. Reaading: Addison-Wesley, 1990.

Cita MLA (9a ed.)

BITTINGER, Marvin L., y Judith A. BEECHER. College Algebra. Addison-Wesley, 1990.